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m and asked for more. He told the other customers about them, and soon everyone was thinly cut, crispy, salty potato chips. Boy 2: And we’re still eating them today. What a cool story! ,利用 1c 和 1d的聽力內(nèi)容;模仿 1e 方框所給的對(duì)話編造一個(gè)有關(guān)土豆條的發(fā)明的對(duì)話練習(xí)。 體驗(yàn)成功 chips 是一個(gè)復(fù)合名詞,其中第一個(gè)名詞用 作定語修飾后一個(gè)名詞,這樣的例子有很多,又如 : alarm clock, telephone number 等。 【知識(shí)拓展】 復(fù)合名詞變復(fù)數(shù)的規(guī)則,你一定要牢記啊! ◎通常只把主體名詞變?yōu)閺?fù)數(shù) school boy— school boys(男生 ) apple tree— apple trees(蘋果樹 ) vegetable sandwich— vegetable sandwiches(蔬菜三明治 ) girl friend— girl friends(女朋友) ◎如果沒有主體名詞,在最后一個(gè)名詞上用復(fù)數(shù)。 goodfornothing— goodfornothings(飯桶、無用的人) threeyearold— threeyearolds(三歲的孩子) ◎由 man, woman 和另外一個(gè)名詞構(gòu)成的復(fù)合名詞,兩個(gè)部分都要用復(fù)數(shù)。 man teacher— men teachers(男教師 ) gentleman farmer— gentlemen farmers (鄉(xiāng)紳) mistake 錯(cuò)誤地 by mistake 是介詞短語,意為“錯(cuò)誤地;無意地;不小心地”,指由于錯(cuò)誤的判斷而千百萬的失誤,常在句中作狀語。 【備課例句】 I took your bag instead of mine by mistake. 我錯(cuò)拿了你的手提包,還以為是我的呢。 Susan fot her key and locked herself out by mistake. 蘇珊忘了帶鑰匙,誤把自己關(guān)在門外了。 【橫向輻射】 mistake...for? mistake...for? 把 ? ? 錯(cuò)認(rèn)為 , 錯(cuò)把 ? ? 當(dāng)作 She mistook him for the 【課堂變式】 — I’ m sorry I’ ve taken your dictionary ____ because they have the same colour. — It doesn’ t matter. A. at once B. by mistake C. in general